22531089 has 16 divisors (see below), whose sum is σ = 34411520. Its totient is φ = 12845520.

The previous prime is 22531073. The next prime is 22531129. The reversal of 22531089 is 98013522.

It is a happy number.

It is not a de Polignac number, because 22531089 - 2⁴ = 22531073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22531009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11052 + ... + 12930.

It is an arithmetic number, because the mean of its divisors is an integer number (2150720).

Almost surely, 2^22531089 is an apocalyptic number.

It is an amenable number.

22531089 is a deficient number, since it is larger than the sum of its proper divisors (11880431).

22531089 is a wasteful number, since it uses less digits than its factorization.

22531089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 22531089 is about 4746.6924273646. The cubic root of 22531089 is about 282.4407749080.

The spelling of 22531089 in words is "twenty-two million, five hundred thirty-one thousand, eighty-nine".